Pith Number

pith:MX7K7HD3

pith:2013:MX7K7HD3Y6F7UTBVQB2Q4RXCMY

not attested not anchored not stored refs pending

Shadowing, expansiveness and specification for C1-conservative systems

M. Bessa, M. Lee, X. Wen

arxiv:1305.3473 v1 · 2013-05-15 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MX7K7HD3Y6F7UTBVQB2Q4RXCMY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:25:35.758049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65feaf9c7bc78bfa4c3580750e46e2661eb3de22ff17bb1b0ea62ec7e1463103

Aliases

arxiv: 1305.3473 · arxiv_version: 1305.3473v1 · doi: 10.48550/arxiv.1305.3473 · pith_short_12: MX7K7HD3Y6F7 · pith_short_16: MX7K7HD3Y6F7UTBV · pith_short_8: MX7K7HD3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MX7K7HD3Y6F7UTBVQB2Q4RXCMY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 65feaf9c7bc78bfa4c3580750e46e2661eb3de22ff17bb1b0ea62ec7e1463103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9590eadb6e13cc8d5cf67dc7aff569c75920c748554b3d1b774846c2b3bee1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-05-15T13:47:21Z",
    "title_canon_sha256": "2b762e2f9c3b34cbae6f0722b08354ac8936d9e6794ab7b7ddd3b9cfa8954518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3473",
    "kind": "arxiv",
    "version": 1
  }
}